Links to Tech Info..............

For Air Cleaner Restorations

For Heater Core and Evaporator rebuilding

70-76 A Body Duster / Demon / Dart Sport pop out window DMT Foam Installation Seal Kit install
Link to forum

68-70 B Body Roadrunner / Coronet pop out window restoration (shows foam and seal installation)
Link to Mopar Connection Magazine

1966-70 B Body AC heater box restoration by Driven Restorations

Ranco heater valve rebuild info
From a Volvo website but the same heater control valves were used on many car

Ranco heater control valve rebuilder Jim Tucker in California

Another Ranco rebuild with some great step by step pictures

If you don't want to rebuild your Ranco heater valve yourself call Jim Tucker

Jim Tucker heater control valve business card